title: The case of the ECG with varying complexes, one month after myocardial infarction.
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use; D001145:Arrhythmias, Cardiac / Q000188:drug therapy / Q000209:etiology*; D004562:Electrocardiography; D006322:Heart Aneurysm / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications / Q000503:physiopathology*; D012008:Recurrence
chemical_list: D000889:Anti-Arrhythmia Agents